CN203868345U - Magnetic sealing device for powder concentrator - Google Patents
Magnetic sealing device for powder concentrator Download PDFInfo
- Publication number
- CN203868345U CN203868345U CN201420285345.1U CN201420285345U CN203868345U CN 203868345 U CN203868345 U CN 203868345U CN 201420285345 U CN201420285345 U CN 201420285345U CN 203868345 U CN203868345 U CN 203868345U
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- China
- Prior art keywords
- magnetic
- type rotor
- powder concentrator
- cage
- sealing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 239000000696 magnetic material Substances 0.000 abstract description 6
- 239000006249 magnetic particle Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a magnetic sealing device for a powder concentrator. The magnetic sealing device comprises a cage type rotor, an air discharge pipe, a magnetic sealing ring and magnetic media, wherein the magnetic sealing ring is arranged in a clearance between the cage type rotor and the air discharge pipe, and the working surface of the magnetic sealing ring is filled with the magnetic media. The strength of a magnetic field of the magnetic sealing ring is larger than 600GS, and the whole magnetic sealing ring is made of magnetic materials or combination of permeability magnetic materials and magnets. The magnetic media are powdery magnetic particles with particle sizes smaller than 18 meshes. According to the magnetic sealing device for the powder concentrator, the clearance between the rotor and the air discharge pipe is sealed by means of the theory that the magnets adsorb the magnetic particles, airtightness between the cage type rotor and an air outlet can be ensured continuously and effectively, the scope of application to the sealing clearance is large, and maintenance is convenient.
Description
Technical field
The utility model relates to a kind of powder concentrator magnetic sealing device, relates in particular to a kind of magnetic sealing device that is applicable to building materials and mine industry dynamic powder concentrator, belongs to powder concentrator technical field.
Background technique
In the industry such as building materials and mine, dynamic powder concentrator is a kind of sorting apparatus generally using, and dynamic powder concentrator target is dust material, and the sealability of sealing surface is required as kPa level.For ensureing separation efficiency and controlling end product quality, between rotor and air outlet tube, there is certain seal request to leak out avoiding, therefore between rotor and air outlet tube, be provided with seal arrangement.
As shown in Figure 1, 2, dynamic powder concentrator comprises cage-type rotor 1 and air outlet tube 2, between cage-type rotor 1 and air outlet tube 2, is provided with seal arrangement.Because the size of cage-type rotor is generally larger, can produce when rotated beat, therefore, for fear of producing friction between cage-type rotor and seal arrangement, the seal clearance that between arranges is generally all larger, and larger seal clearance inevitably there will be the air leakage phenomena as shown in Fig. 2 direction of arrow.
In addition, dynamic powder concentrator is in the time of work, dust-laden wind impacts exhaust outlet with higher wind speed, seal arrangement is very easily because wearing and tearing cause losing efficacy, therefore the seal arrangement at this place generally adopts high hardness wear-resisting material, but the difficulty of processing of high hardness wear-resisting material is large, can only adopt rivet welding processing mode to make, precision is difficult to be guaranteed, thereby causes air leakage phenomena to increase the weight of.
In addition, even if traditional rotor of powder separator seal arrangement has used high hardness wear-resisting material, but due to the impact of material, using after a period of time still can be because serious wear causes seal failure, can only integral replacing seal arrangement, and dismounting difficulty is large, needed time is long, causes equipment operation ratio to reduce.
This shows, the sealed precision of existing magnetic sealing means is high, but complex structure, size of seal contact face is little.And if employing liquid state sealing medium cannot meet the requirement of dynamic powder concentrator.
Model utility content
The purpose of this utility model is: a kind of powder concentrator magnetic sealing device is provided, utilizes the principle of magnet adsorption magnetic-particle to be sealed the gap between rotor and air outlet tube, can effectively ensure sealing effect; Solve existing seal arrangement and often occur the technical problem of leaking out, thereby can effectively solve above-mentioned problems of the prior art.
The purpose of this utility model is to realize by following technical proposals: a kind of powder concentrator magnetic sealing device, comprise cage-type rotor, air outlet tube, magnetic seal ring and magnetic medium, described magnetic seal is located on the gap between cage-type rotor and air outlet tube, and magnetic medium is filled on the working surface of magnetic seal ring.Wherein: the magnetic intensity of described magnetic seal ring is greater than 600GS; Its entirety adopts magnetic material to be made, or adopts the mode of permeability magnetic material and magnet combination to be made.Described magnetic medium is powdery magnetic-particle, and granularity is less than 18 orders.
As optimal way, the gap between described cage-type rotor and air outlet tube is 3-50mm.
As optimal way, described magnetic seal ring is fixed on the sealing surface of cage-type rotor or on the sealing surface of air outlet tube.
As optimal way, described magnetic seal ring is fixed on the sealing surface of cage-type rotor and the sealing surface of air outlet tube.
Compared with prior art, the beneficial effects of the utility model: the utility model powder concentrator magnetic sealing device utilizes the principle of magnet adsorption magnetic-particle to be sealed the gap between rotor and air outlet tube, the sustainable sealing effectively ensureing between cage-type rotor and exhaust outlet, accommodation to seal clearance is large, easy to maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of existing dynamic powder concentrator magnetic sealing device;
Fig. 2 is the A place enlarged diagram in Fig. 1;
Fig. 3 is the utility model powder concentrator magnetic sealing device embodiment 1 structural representation;
Fig. 4 is the B place enlarged diagram in Fig. 3;
Fig. 5 is the utility model powder concentrator magnetic sealing device embodiment 2 structural representation;
Fig. 6 is the C place enlarged diagram in Fig. 3.
In figure: 1-cage-type rotor, 2-air outlet tube, 3-magnetic seal ring, 4-magnetic medium.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described.
Disclosed all features in this specification, or step in disclosed all methods or process, except the speciality and/or step of mutual repulsion, all can combine by any way, unless narration especially, all can be replaced by other equivalences or the alternative features with similar object,, unless narration especially, an embodiment in a series of equivalences of each feature or similar characteristics.
As shown in Fig. 3-6, because equipment target described in the utility model is dust material, and the sealability of sealing surface is required as kPa level, therefore make the utility model adopt dust material magnetic sealing device to become possibility.The utility model powder concentrator magnetic sealing device comprises cage-type rotor 1, air outlet tube 2, magnetic seal ring 3 and magnetic medium 4, thereby reaches sealing effect.Described magnetic seal ring can entirety adopt magnetic material to make, and also can adopt the mode of permeability magnetic material and magnet combination to make.Described magnetic seal ring 3 is located at the gap between cage-type rotor 1 and air outlet tube 2, magnetic medium 4 is filled on the working surface of magnetic seal ring 3, utilize the principle of magnet adsorption magnetic-particle to be sealed the gap between rotor and air outlet tube, the sustainable sealing effectively ensureing between cage-type rotor and exhaust outlet.Gap between described cage-type rotor 1 and air outlet tube 2 is 3-50mm.Magnetic seal ring 3 described in the utility model can be arranged on the sealing surface of cage-type rotor 1 and air outlet tube 2 simultaneously, also can only be arranged on the sealing surface of one of them, and its sealing effect all can be guaranteed.
Embodiment 1: the sealing between cage-type rotor 1 and air outlet tube 2 transversely arranges, and forms an axial seal, and magnetic seal ring as shown in Figure 3,4, is axially arranged on sealing surface.
Embodiment 2: the sealing between cage-type rotor 1 and air outlet tube 2, along radially arranging, forms a radial seal, and described magnetic seal ring as shown in Figure 5,6, is radially arranged on sealing surface.
It is of the present utility model that to realize principle as follows:
Magnetic medium is powder-material, and granularity is less than 18 orders, and magnetic medium gap between them in the time filling sealing surface is minimum, thereby the sealability of equipment is ensured.
The magnetic intensity of magnetic seal ring is greater than 600GS, action range is large, all can ensure at 3mm-50mm the compactness that magnetic medium is filled, can adapt to larger seal clearance, reduce processing and the matching requirements of cage-type rotor and air outlet tube, also can adapt to the seal clearance variation that cage-type rotor causes because of beat in running.Meanwhile, because the magnetic intensity of magnetic seal ring is large, make sealing medium fill all the time sealing surface, can not escape because of the rotation of cage-type rotor, thereby make the utility model can adapt to the operating mode of dynamic seal (packing), ensure the operational effect of equipment.And, because the utility model target is the dust material containing magnetic, in the time that dust-laden wind passes through sealing surface, under magnetic force, magnetic dust material can constantly be adsorbed by magnetic seal ring, thereby remain the validity of sealing, and make the maintenance of equipment become very simple or even Maintenance free.Moreover because magnetic medium is filled sealing surface all the time, dust-laden wind cannot directly impact the connection part of cage-type rotor and air outlet tube, thereby both wearing and tearing are reduced greatly, has effectively extended the working life of equipment.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a powder concentrator magnetic sealing device, comprise cage-type rotor (1) and air outlet tube (2), it is characterized in that, also comprise magnetic seal ring (3) and magnetic medium (4), described magnetic seal ring (3) is located at the gap between cage-type rotor (1) and air outlet tube (2), and magnetic medium (4) is filled on the working surface of magnetic seal ring (3).
2. powder concentrator magnetic sealing device as claimed in claim 1, is characterized in that: the gap between described cage-type rotor (1) and air outlet tube (2) is 3-50mm.
3. powder concentrator magnetic sealing device as claimed in claim 1, is characterized in that: described magnetic seal ring (3) is fixed on the sealing surface of cage-type rotor (1) or on the sealing surface of air outlet tube (2).
4. powder concentrator magnetic sealing device as claimed in claim 1, is characterized in that: described magnetic seal ring (3) is fixed on the sealing surface of cage-type rotor (1) and the sealing surface of air outlet tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285345.1U CN203868345U (en) | 2014-05-30 | 2014-05-30 | Magnetic sealing device for powder concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285345.1U CN203868345U (en) | 2014-05-30 | 2014-05-30 | Magnetic sealing device for powder concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868345U true CN203868345U (en) | 2014-10-08 |
Family
ID=51649300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420285345.1U Expired - Lifetime CN203868345U (en) | 2014-05-30 | 2014-05-30 | Magnetic sealing device for powder concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246631A (en) * | 2020-09-05 | 2021-01-22 | 江苏吉能达环境能源科技有限公司 | Safe and environment-friendly sealing device for powder concentrator |
-
2014
- 2014-05-30 CN CN201420285345.1U patent/CN203868345U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246631A (en) * | 2020-09-05 | 2021-01-22 | 江苏吉能达环境能源科技有限公司 | Safe and environment-friendly sealing device for powder concentrator |
| CN112246631B (en) * | 2020-09-05 | 2022-02-08 | 江苏吉能达环境能源科技有限公司 | Safe and environment-friendly sealing device for powder concentrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |